Thomson Reuters
But the drug missed most of the secondary trial goals, including one watched by experts.
An Eli Lilly executive told Insider the data was mixed, but very exciting.
The latest test of Eli Lilly's Alzheimer's disease drug ended with a mixed bag of results that disappointed investors.
Lilly gave an in-depth look at the performance of its drug, called donanemab, on Saturday at the International Conference on Alzheimer's and Parkinson's Diseases. The drug met the trial's primary goals, reducing a harmful substance that builds up in the brains of patients with Alzheimer's disease. It also slowed down the rate of cognitive decline by 32%, according to data published Saturday in a medical journal. But it missed the mark on several secondary tests.